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P3504 Sigma-Aldrich

Ponceau S

BioReagent, suitable for electrophoresis

Synonym: 3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt

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Properties

Related Categories Buffers, Reagents, & Stains, Cell Biology, Core Bioreagents, General Reagents, Hematology and Histology,
grade   BioReagent
form   powder
solubility   H2O: soluble1 mg/mL
absorption   extinction/518-522 nm, deionized water ≥330000
suitability   suitable for electrophoresis

Description

Application

Ponceau S dye is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. The following are two common stain formulations;
0.1% Ponceau S (w/v) in 5% acetic acid
2% Ponceau S (w/v) in 30% TCA, 30% sulfosalicylic acid

Packaging

10, 50, 100 g in glass bottle

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
QJ6600000

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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